Question
A recent survey asked 5,324 individuals: What's most important to you when choosing where to live? The responses are shown by the following frequency distribution.
A recent survey asked 5,324 individuals: What's most important to you when choosing where to live? The responses are shown by the following frequency distribution.[You may find it useful to reference thez table.]
ResponseFrequencyGood jobs1,969Affordable homes799Top schools586Low crime1,225Things to do745
Source: CNNMoney.com, July 13, 2010.
a.Calculate the margin of error used in the 95% confidence level for the population proportion of those who believe that low crime is most important.(Do not round intermediate calculations. Round "z" value and final answer to 3 decimal places.)
b.Calculate the margin of error used in the 95% confidence level for the population proportion of those who believe that good jobs or affordable homes are most important.(Do not round intermediate calculations. Round "z" value and final answer to 3 decimal places.)
c.Explain why the margins of error in parts a and b are different.
multiple choice
- The margin of error in part a and b are different because the population proportions in parts a and b are different.
- The margin of error in part a and b are different because the sample proportions in parts a and b are different.
- The margin of error in part a and b are different because the population standard deviations in parts a and b are different.
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